Jewelry chain



FIG. 1 is a top plan view of a jewelry chain showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a side view from the other side thereof;

FIG. 5 is a right end view thereof; and,

FIG. 6 is a left end view. 

The ornamental design for a jewelry chain, as shown and described. 